• 公告ID (KylinSec-SA-2023-1361)

摘要:

A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.

安全等级: Low

公告ID: KylinSec-SA-2023-1361

发布日期: 2023年5月27日

关联CVE: CVE-2023-0494  

  • 详细介绍

1. 漏洞描述

   

A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2023-0494 KY3.4-4A tigervnc Unaffected
CVE-2023-0494 KY3.4-5 tigervnc Unaffected
CVE-2023-0494 KY3.5.1 tigervnc Unaffected
CVE-2023-0494 KY3.5.2 tigervnc Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
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